Most users don’t care. What they do care about is performance, and native is usually the easiest way to get there.
For your AI workflow questions, it depends. With or without AI, those decisions depend on the organisation’s direction, the team’s capabilities, and their preferences. Did your org have a single answer for the best programming language, framework, or workflow even before AI? There was never a single right answer to any of that.
You have little to no control over privacy, tracking or advertising compared to the web. That's left to the original developer and there's nothing you can do about it.
You can't do things like disable autoplaying videos. Often you can't even copy text without taking a screen shot. On a phone it's also much easier to zoom random parts of the screen in a browser compared to a native app.
There are legitimate reasons to prefer the web to native apps.